Led boom



FIG. 1 is a perspective view of an LED boom the present design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line showing of portions of the LED boom is for the purpose of illustrating the article and forms no part of the claimed design. 

CLAIM The ornamental design for an LED boom, as shown and described. 